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What is the Sierra 18-8860 MerCruiser GM V8 Fuel Pump?
The Sierra 18-8860 MerCruiser GM V8 Fuel Pump is a replacement fuel pump designed for specified GM V8 applications. It fits GM V8 454 and 502 applications and includes a gasket for installation.
What GM V8 engines does the Sierra 18-8860 fuel pump fit?
The Sierra 18-8860 fuel pump fits GM V8 454 and 502 applications. Verify the specific application before ordering to ensure this replacement fuel pump matches your engine.
Does the Sierra 18-8860 MerCruiser fuel pump include a gasket?
Yes. The Sierra 18-8860 MerCruiser GM V8 Fuel Pump includes a gasket as part of the product.
What MerCruiser part numbers does the Sierra 18-8860 fuel pump replace?
The Sierra 18-8860 replaces MerCruiser part numbers 861677T and 818383T. It is also listed as a replacement for GLM part number 77100.
What applications is the Sierra 18-8860 fuel pump designed for?
The Sierra 18-8860 is designed for GM V8 454 and 502 applications. The supplied product information does not specify individual engine model years or serial-number ranges, so verify your application before installation.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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